Extrusion blow molding of filled liquid crystal polymers

Details Extrusion blow molding of filled liquid crystal polymers Extrusion blow molding of filled liquid crystal polymers

1992-10-28

1994-04-26

Timm, Catherine

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

B29C 4904

Patent

active

053064615

ABSTRACT:
An extrusion blow molding process for a filled, liquid crystalline polymer is provided. By the process, molten polymer having improved melt strength, is vertically extruded downward into space through a parison-forming, annular gap. Sag resistant parisons are formed. Beneficially, the parisons may be formed periodically. Advantageously, large-sized parts or structures may be produced.

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Blizard, K. G. et al., "Blow Molding Thermotropic Liquid Crystalline Polymers", Intern. Polymer Processing IV, 1989, Hanser Publishers, Munich.
Vectra.RTM. Product literature, Hoechst Celanese Corporation 1989.

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